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Tears, i think their instructor need from them to choose one or two sentence from each paragraph.
i hope this will help
in some homes carbon monoxide from cars in the
house. And in many areas the ground under the building might send a dangerous gas called radon into the home . the people in the house are breathing in a chemical soup.
then that causes sick-building syndrome in an office building or school where people don’t smoke or burn oil wood or gas? Experts have discovered several sources of sick-building syndrome among these are mold and bacteria synthetic products and lack of ventilation or the movement of fresh air into and out of the building.
there are several solutions to the problem of sick-building syndrome the most important of these is cleaning the building. First of course experts must determine the specific cause in any one building. Then workers probably need to take out carpets wallpaper and ceiling tiles in order to remove mold and bacteria. Also they need to clean out the air conditioning system and completely rebuild the system of ventilation.
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